add notes how to upgrade and fixed bug

README.md

@@ -15,7 +15,7 @@ Can download your podcasts.
 ## Usage
 
 ```
-Podcatcher 0.1.0
+Podcatcher 0.2.1
 usage: podcatcher.py [-h] [-f FEED] [-d DOWNLOAD_DIR] [--version]
 
 CLI podcast client.
@@ -46,4 +46,6 @@ My Podcastlist can be found in this gist: [fliiiix/259bc74a40c9bf56cef7d9cb9b744
 ### How to keep track what's downloaded
 
 Each item should have a guid which is saved to `$podcastname/.guid_cache` where each line represents a 
-downloaded podcast. The format for it is `%Y_%m_%d %H:%M|GUID` the date is the download time.
+downloaded podcast. The format for it is `%Y_%m_%d %H:%M|GUID` the date is the download time.
+
+To migrate from 0.1 to 0.2 or later just add `XXXX_XX_XX XX:XX|`.

podcatcher.py

@@ -7,7 +7,7 @@
 
 class Podcast(object):
     def __init__(self, feedlist, download_dir):
-        self.version = "0.2.0"
+        self.version = "0.2.1"
         self.feeds = []
         self.base_folder = download_dir
         self.feedlist = feedlist
@@ -43,6 +43,8 @@ def build_podcast(self, title):
         else:
             open(p, 'a').close()
 
+        # well, this removes the date from the guid
+        guids = list(map(lambda uuid: uuid[17:], guids))
         return (p, guids)